#20957 [Fbk->Csd]: Random Corrupted Constants.

From: Date: Fri, 13 Dec 2002 11:52:17 +0000
Subject: #20957 [Fbk->Csd]: Random Corrupted Constants.
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-27591@lists.php.net to get a copy of this message 
 ID:               20957
 Updated by:       derick@php.net
 Reported By:      hash@huasing.com
-Status:           Feedback
+Status:           Closed
 Bug Type:         Scripting Engine problem
 Operating System: FreeBSD 4.7
 PHP Version:      4.2.3
 New Comment:

closing then


Previous Comments:
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[2002-12-13 05:50:39] hash@huasing.com

Problem seems to be resolved with PHP4.3 and PHP-latest snapshot.

Thank you very much.

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[2002-12-12 09:10:53] sniper@php.net

Please try using this CVS snapshot:

  http://snaps.php.net/php4-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php4-win32-latest.zip

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[2002-12-12 08:28:57] hash@huasing.com

Under heavy load, mod_php4 seems to corrupt constants, and fail to
require php file specified in a constant. It leaves the following error
message in apache error_log:

[Tue Nov 26 15:02:47 2002] [error] PHP Fatal error:  Failed opening
required 'onmassdeletepost' (include_path='.:/usr/local/lib/php'
) in /usr/home/huasing/public_html/common.php on line 35
[Tue Nov 26 15:02:48 2002] [error] PHP Fatal error:  Failed opening
required 'DB_ERROR_VALUE_COUNT_ON_ROW' (include_path='.:/usr/loc
al/lib/php') in /usr/home/huasing/public_html/common.php on line 35
[Tue Nov 26 15:02:49 2002] [error] PHP Fatal error:  Failed opening
required '_PEAR_default_error_options' (include_path='.:/usr/loc
al/lib/php') in /usr/home/huasing/public_html/common.php on line 35

The relevant lines in common.php are:
33 require_once('/home/home/lib/common/config.php');

34 require_once('PEAR.php');
35 require_once('DB.php');
36 require_once(HUASING_LIB_ERROR);
37 require_once(HUASING_LIB_ENV);

After turning off KeepAlive in apache, and set MaxRequestsPerChild = 1
, this problem doesn't appear any more.

Configure:
'./configure' '--with-apxs=/usr/local/sbin/apxs'
'--with-config-file-path=/usr/local/etc' '--enable-versioning'
'--with-regex=system' '--without-gd' '--without-mysql'
'--with-gd=/usr/local' '--enable-gd-native-ttf'
'--with-freetype-dir=/usr/local' '--with-jpeg-dir=/usr/local'
'--with-png-dir=/usr/local' '--with-zlib' '--with-mysql=/usr/local'
'--enable-xslt' '--with-xslt-sablot' '--with-expat-dir=/usr/local'
'--with-iconv=/usr/local' '--prefix=/usr/local'
'i386-portbld-freebsd4.6.2'

it runs on a Dual CPU server.


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